According to the autometer website #7144 includes the thermocouple, and it will come with the lead wires to go from the thermocouople leads to the gauge.
I'm not sure if the "C2" is like the older AM gauges like Ultra-Lites or the newer "Cobalts". The older style pyrometers only needed a lead for the light in the gauge and a ground for the light. If its like the new ones the light might need a power and ground, and the gauge itself might need a power and a ground.
For this you'll need some primary wire and whatever kind of connector will be needed to attach wires to the back of the gauge.
Tap the "illum" fuse in the dash for the light and the "cig lighter" fuse for ignition on power.
These things make tapping fuses a breeze
NAPA sells little blade connectors that slip over the prong of the fuse which result in basically the same thing.
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